trunk/src/linuxsampler.cpp

/***************************************************************************
 *                                                                         *
 *   LinuxSampler - modular, streaming capable sampler                     *
 *                                                                         *
 *   Copyright (C) 2003-2004 by Benno Senoner and Christian Schoenebeck   *
 *   Copyright (C) 2005-2007 Christian Schoenebeck                        *
 *                                                                         *
 *   This program is free software; you can redistribute it and/or modify  *
 *   it under the terms of the GNU General Public License as published by  *
 *   the Free Software Foundation; either version 2 of the License, or     *
 *   (at your option) any later version.                                   *
 *                                                                         *
 *   This program is distributed in the hope that it will be useful,       *
 *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
 *   GNU General Public License for more details.                          *
 *                                                                         *
 *   You should have received a copy of the GNU General Public License     *
 *   along with this program; if not, write to the Free Software           *
 *   Foundation, Inc., 59 Temple Place, Suite 330, Boston,                 *
 *   MA  02111-1307  USA                                                   *
 ***************************************************************************/

#include <getopt.h>
#include <signal.h>

#include "Sampler.h"
#include "common/global_private.h"
#include "engines/EngineFactory.h"
#include "plugins/InstrumentEditorFactory.h"
#include "drivers/midi/MidiInputDeviceFactory.h"
#include "drivers/audio/AudioOutputDeviceFactory.h"
#include "engines/gig/Profiler.h"
#include "network/lscpserver.h"
#include "common/stacktrace.h"
#include "common/Features.h"

using namespace LinuxSampler;

Sampler*    pSampler    = NULL;
LSCPServer* pLSCPServer = NULL;
pthread_t   main_thread;
pid_t       main_pid;
bool bPrintStatistics = false;
bool profile = false;
bool tune = true;
unsigned long int lscp_addr;
unsigned short int lscp_port;

void parse_options(int argc, char **argv);
void signal_handler(int signal);
void kill_app();

int main(int argc, char **argv) {

    // initialize the stack trace mechanism with our binary file
    StackTraceInit(argv[0], -1);

    main_pid = getpid();
    main_thread = pthread_self();

    // setting signal handler for catching SIGINT (thus e.g. <CTRL><C>)
    signal(SIGINT, signal_handler);

    // register signal handler for all unusual signals
    // (we will print the stack trace and exit)
    struct sigaction sact;
    sigemptyset(&sact.sa_mask);
    sact.sa_flags   = 0;
    sact.sa_handler = signal_handler;
    sigaction(SIGSEGV, &sact, NULL);
    sigaction(SIGBUS,  &sact, NULL);
    sigaction(SIGILL,  &sact, NULL);
    sigaction(SIGFPE,  &sact, NULL);
    sigaction(SIGUSR1, &sact, NULL);
    sigaction(SIGUSR2, &sact, NULL);

    lscp_addr = htonl(LSCP_ADDR);
    lscp_port = htons(LSCP_PORT);

    // parse and assign command line options
    parse_options(argc, argv);

    dmsg(1,("LinuxSampler %s\n", VERSION));
    dmsg(1,("Copyright (C) 2003,2004 by Benno Senoner and Christian Schoenebeck\n"));
    dmsg(1,("Copyright (C) 2005-2007 Christian Schoenebeck\n"));

    if (tune) {
        // detect and print system / CPU specific features
        Features::detect();
        dmsg(1,("Detected features: %s\n", Features::featuresAsString().c_str()));
        // prevent slow denormal FPU modes
        Features::enableDenormalsAreZeroMode();
    }

    // create LinuxSampler instance
    dmsg(1,("Creating Sampler..."));
    pSampler = new Sampler;
    dmsg(1,("OK\n"));

    dmsg(1,("Registered sampler engines: %s\n", EngineFactory::AvailableEngineTypesAsString().c_str()));
    dmsg(1,("Registered MIDI input drivers: %s\n", MidiInputDeviceFactory::AvailableDriversAsString().c_str()));
    dmsg(1,("Registered audio output drivers: %s\n", AudioOutputDeviceFactory::AvailableDriversAsString().c_str()));
    dmsg(1,("Registered instrument editors: %s\n", InstrumentEditorFactory::AvailableEditorsAsString().c_str()));

    // start LSCP network server
    struct in_addr addr;
    addr.s_addr = lscp_addr;
    dmsg(1,("Starting LSCP network server (%s:%d)...", inet_ntoa(addr), ntohs(lscp_port)));
    pLSCPServer = new LSCPServer(pSampler, lscp_addr, lscp_port);
    pLSCPServer->StartThread();
    pLSCPServer->WaitUntilInitialized();
    dmsg(1,("OK\n"));

    if (profile)
    {
        dmsg(1,("Calibrating profiler..."));
        LinuxSampler::gig::Profiler::Calibrate();
        LinuxSampler::gig::Profiler::Reset();
        LinuxSampler::gig::Profiler::enable();
        dmsg(1,("OK\n"));
    }

    printf("LinuxSampler initialization completed. :-)\n\n");

    std::list<LSCPEvent::event_t> rtEvents;
    rtEvents.push_back(LSCPEvent::event_voice_count);
    rtEvents.push_back(LSCPEvent::event_stream_count);
    rtEvents.push_back(LSCPEvent::event_buffer_fill);
    rtEvents.push_back(LSCPEvent::event_total_voice_count);

    while (true) {
        if (bPrintStatistics) {
            const std::set<Engine*>& engines = EngineFactory::EngineInstances();
            std::set<Engine*>::iterator itEngine = engines.begin();
            for (int i = 0; itEngine != engines.end(); itEngine++, i++) {
                Engine* pEngine = *itEngine;
                printf("Engine %d) Voices: %3.3d (Max: %3.3d) Streams: %3.3d (Max: %3.3d)\n", i,
                    pEngine->VoiceCount(), pEngine->VoiceCountMax(),
                    pEngine->DiskStreamCount(), pEngine->DiskStreamCountMax()
                );
                fflush(stdout);
            }
        }

      sleep(1);
      if (profile)
      {
          unsigned int samplingFreq = 48000; //FIXME: hardcoded for now
          unsigned int bv = LinuxSampler::gig::Profiler::GetBogoVoices(samplingFreq);
          if (bv != 0)
          {
              printf("       BogoVoices: %i         \r", bv);
              fflush(stdout);
          }
      }

      if (LSCPServer::EventSubscribers(rtEvents))
      {
          LSCPServer::LockRTNotify();
          std::map<uint,SamplerChannel*> channels = pSampler->GetSamplerChannels();
          std::map<uint,SamplerChannel*>::iterator iter = channels.begin();
          for (; iter != channels.end(); iter++) {
              SamplerChannel* pSamplerChannel = iter->second;
              EngineChannel* pEngineChannel = pSamplerChannel->GetEngineChannel();
              if (!pEngineChannel) continue;
              Engine* pEngine = pEngineChannel->GetEngine();
              if (!pEngine) continue;
              pSampler->fireVoiceCountChanged(iter->first, pEngineChannel->GetVoiceCount());
              pSampler->fireStreamCountChanged(iter->first, pEngineChannel->GetDiskStreamCount());
              pSampler->fireBufferFillChanged(iter->first, pEngine->DiskStreamBufferFillPercentage());
              pSampler->fireTotalVoiceCountChanged(pSampler->GetVoiceCount());
          }
          LSCPServer::UnlockRTNotify();
      }

    }

    return EXIT_SUCCESS;
}

void signal_handler(int iSignal) {
    switch (iSignal) {
        case SIGINT: {
            if (pthread_equal(pthread_self(), main_thread)) {
                if (pLSCPServer) pLSCPServer->StopThread();
                // the delete order here is important: the Sampler
                // destructor sends notifications to the lscpserver
                if (pSampler) delete pSampler;
                if (pLSCPServer) delete pLSCPServer;
#if HAVE_SQLITE3
                InstrumentsDb::Destroy();
#endif
                printf("LinuxSampler stopped due to SIGINT.\n");
                exit(EXIT_SUCCESS);
            }
            return;
        }
        case SIGSEGV:
            std::cerr << ">>> FATAL ERROR: Segmentation fault (SIGSEGV) occured! <<<\n" << std::flush;
            break;
        case SIGBUS:
            std::cerr << ">>> FATAL ERROR: Access to undefined portion of a memory object (SIGBUS) occured! <<<\n" << std::flush;
            break;
        case SIGILL:
            std::cerr << ">>> FATAL ERROR: Illegal instruction (SIGILL) occured! <<<\n" << std::flush;
            break;
        case SIGFPE:
            std::cerr << ">>> FATAL ERROR: Erroneous arithmetic operation (SIGFPE) occured! <<<\n" << std::flush;
            break;
        case SIGUSR1:
            std::cerr << ">>> User defined signal 1 (SIGUSR1) received <<<\n" << std::flush;
            break;
        case SIGUSR2:
            std::cerr << ">>> User defined signal 2 (SIGUSR2) received <<<\n" << std::flush;
            break;
        default: { // this should never happen, as we register for the signals we want
            std::cerr << ">>> FATAL ERROR: Unknown signal received! <<<\n" << std::flush;
            break;
        }
    }
    signal(iSignal, SIG_DFL); // Reinstall default handler to prevent race conditions
    std::cerr << "Showing stack trace...\n" << std::flush;
    StackTrace();
    sleep(2);
    std::cerr << "Killing LinuxSampler...\n" << std::flush;
    kill_app(); // Use abort() if we want to generate a core dump.
}

void kill_app() {
    kill(main_pid, SIGKILL);
}

void parse_options(int argc, char **argv) {
    int res;
    int option_index = 0;
    static struct option long_options[] =
        {
            {"help",0,0,0},
            {"version",0,0,0},
            {"profile",0,0,0},
            {"no-tune",0,0,0},
            {"statistics",0,0,0},
            {"instruments-db-location",1,0,0},
            {"create-instruments-db",1,0,0},
            {"lscp-addr",1,0,0},
            {"lscp-port",1,0,0},
            {0,0,0,0}
        };

    while (true) {
        /*
          Stephane Letz : letz@grame.fr
          getopt_long_only does not exist on OSX : replaced by getopt_long for now.
        */
        res = getopt_long(argc, argv, "", long_options, &option_index);
        if(res == -1) break;
        if (res == 0) {
            switch(option_index) {
                case 0: // --help
                    printf("usage: linuxsampler [OPTIONS]\n\n");
                    printf("--help                      prints this message\n");
                    printf("--version                   prints version information\n");
                    printf("--profile                   profile synthesis algorithms\n");
                    printf("--no-tune                   disable assembly optimization\n");
                    printf("--statistics                periodically prints statistics\n");
                    printf("--lscp-addr                 set LSCP address (default: any)\n");
                    printf("--lscp-port                 set LSCP port (default: 8888)\n");
                    printf("--create-instruments-db     creates an instruments DB\n");
                    printf("--instruments-db-location   specifies the instruments DB file\n");
                    exit(EXIT_SUCCESS);
                    break;
                case 1: // --version
                    printf("LinuxSampler %s\n", VERSION);
                    exit(EXIT_SUCCESS);
                    break;
                case 2: // --profile
                    profile = true;
                    break;
                case 3: // --no-tune
                    tune = false;
                    break;
                case 4: // --statistics
                    bPrintStatistics = true;
                    break;
                case 5: // --instruments-db-location
#if HAVE_SQLITE3
                    try {
                        if (optarg) {
                            struct stat statBuf;
                            int res = stat(optarg, &statBuf);

                            if (res) {
                                std::stringstream ss;
                                ss << "Failed to stat `" << optarg << "`: " << strerror(errno);
                                throw Exception(ss.str());
                            }

                            if (!S_ISREG(statBuf.st_mode)) {
                                std::stringstream ss;
                                ss << "`" << optarg << "` is not a regular file";
                                throw Exception(ss.str());
                            }

                            InstrumentsDb::GetInstrumentsDb()->SetDbFile(String(optarg));
                        }
                    } catch(Exception e) {
                        std::cerr << "Could not open instruments DB file: "
                                  << e.Message() << std::endl;
                        exit(EXIT_FAILURE);
                    }
                    break;
#else
                    std::cerr << "LinuxSampler was not build with ";
                    std::cerr << "instruments database support!\n";
                    exit(EXIT_FAILURE);
                    break;
#endif
                case 6: // --create-instruments-db
#if HAVE_SQLITE3
                    try {
                        if (optarg) {
                            std::cout << "Creating instruments database..." << std::endl;
                            InstrumentsDb::CreateInstrumentsDb(String(optarg));
                            InstrumentsDb::Destroy();
                            std::cout << "Done" << std::endl;
                        }
                    } catch(Exception e) {
                        std::cerr << e.Message() << std::endl;
                        exit(EXIT_FAILURE);
                        return;
                    }

                    exit(EXIT_SUCCESS);
                    return;
#else
                    std::cerr << "Failed to create the database. LinuxSampler was ";
                    std::cerr << "not build with instruments database support!\n";
                    exit(EXIT_FAILURE);
                    return;
#endif
                case 7: // --lscp-addr
                    struct in_addr addr;
                    if (inet_aton(optarg, &addr) == 0)
                        printf("WARNING: Failed to parse lscp-addr argument, ignoring!\n");
                    else
                        lscp_addr = addr.s_addr;
                    break;
                case 8: // --lscp-port
                    long unsigned int port = 0;
                    if ((sscanf(optarg, "%u", &port) != 1) || (port == 0) || (port > 65535))
                        printf("WARNING: Failed to parse lscp-port argument, ignoring!\n");
                    else
                        lscp_port = htons(port);
                    break;
            }
        }
    }
}
1	schoenebeck	9	/***************************************************************************
2			* *
3			* LinuxSampler - modular, streaming capable sampler *
4			* *
5	capela	1012	* Copyright (C) 2003-2004 by Benno Senoner and Christian Schoenebeck *
6			* Copyright (C) 2005-2007 Christian Schoenebeck *
7	schoenebeck	9	* *
8			* This program is free software; you can redistribute it and/or modify *
9			* it under the terms of the GNU General Public License as published by *
10			* the Free Software Foundation; either version 2 of the License, or *
11			* (at your option) any later version. *
12			* *
13			* This program is distributed in the hope that it will be useful, *
14			* but WITHOUT ANY WARRANTY; without even the implied warranty of *
15			* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
16			* GNU General Public License for more details. *
17			* *
18			* You should have received a copy of the GNU General Public License *
19			* along with this program; if not, write to the Free Software *
20			* Foundation, Inc., 59 Temple Place, Suite 330, Boston, *
21			* MA 02111-1307 USA *
22			***************************************************************************/
23
24			#include <getopt.h>
25			#include <signal.h>
26
27	schoenebeck	53	#include "Sampler.h"
28	schoenebeck	1424	#include "common/global_private.h"
29	schoenebeck	420	#include "engines/EngineFactory.h"
30	schoenebeck	1375	#include "plugins/InstrumentEditorFactory.h"
31	schoenebeck	207	#include "drivers/midi/MidiInputDeviceFactory.h"
32	schoenebeck	203	#include "drivers/audio/AudioOutputDeviceFactory.h"
33	senkov	325	#include "engines/gig/Profiler.h"
34	schoenebeck	35	#include "network/lscpserver.h"
35	schoenebeck	271	#include "common/stacktrace.h"
36	schoenebeck	319	#include "common/Features.h"
37	schoenebeck	9
38	schoenebeck	53	using namespace LinuxSampler;
39
40	schoenebeck	211	Sampler* pSampler = NULL;
41			LSCPServer* pLSCPServer = NULL;
42	schoenebeck	271	pthread_t main_thread;
43	wylder	816	pid_t main_pid;
44	schoenebeck	420	bool bPrintStatistics = false;
45	senkov	325	bool profile = false;
46			bool tune = true;
47	senkov	667	unsigned long int lscp_addr;
48			unsigned short int lscp_port;
49	schoenebeck	9
50			void parse_options(int argc, char **argv);
51			void signal_handler(int signal);
52	schoenebeck	271	void kill_app();
53	schoenebeck	9
54			int main(int argc, char **argv) {
55
56	schoenebeck	271	// initialize the stack trace mechanism with our binary file
57			StackTraceInit(argv[0], -1);
58
59	wylder	816	main_pid = getpid();
60	schoenebeck	271	main_thread = pthread_self();
61
62	schoenebeck	9	// setting signal handler for catching SIGINT (thus e.g. <CTRL><C>)
63			signal(SIGINT, signal_handler);
64
65	schoenebeck	271	// register signal handler for all unusual signals
66			// (we will print the stack trace and exit)
67			struct sigaction sact;
68			sigemptyset(&sact.sa_mask);
69			sact.sa_flags = 0;
70			sact.sa_handler = signal_handler;
71			sigaction(SIGSEGV, &sact, NULL);
72			sigaction(SIGBUS, &sact, NULL);
73			sigaction(SIGILL, &sact, NULL);
74			sigaction(SIGFPE, &sact, NULL);
75			sigaction(SIGUSR1, &sact, NULL);
76			sigaction(SIGUSR2, &sact, NULL);
77
78	senkov	667	lscp_addr = htonl(LSCP_ADDR);
79			lscp_port = htons(LSCP_PORT);
80
81	schoenebeck	9	// parse and assign command line options
82	senkov	325	parse_options(argc, argv);
83	schoenebeck	9
84	schoenebeck	207	dmsg(1,("LinuxSampler %s\n", VERSION));
85	capela	1012	dmsg(1,("Copyright (C) 2003,2004 by Benno Senoner and Christian Schoenebeck\n"));
86			dmsg(1,("Copyright (C) 2005-2007 Christian Schoenebeck\n"));
87	schoenebeck	123
88	schoenebeck	579	if (tune) {
89	persson	425	// detect and print system / CPU specific features
90			Features::detect();
91	schoenebeck	579	dmsg(1,("Detected features: %s\n", Features::featuresAsString().c_str()));
92			// prevent slow denormal FPU modes
93			Features::enableDenormalsAreZeroMode();
94	senkov	325	}
95	schoenebeck	319
96	schoenebeck	53	// create LinuxSampler instance
97	schoenebeck	123	dmsg(1,("Creating Sampler..."));
98	schoenebeck	53	pSampler = new Sampler;
99	schoenebeck	123	dmsg(1,("OK\n"));
100	schoenebeck	53
101	schoenebeck	900	dmsg(1,("Registered sampler engines: %s\n", EngineFactory::AvailableEngineTypesAsString().c_str()));
102	schoenebeck	207	dmsg(1,("Registered MIDI input drivers: %s\n", MidiInputDeviceFactory::AvailableDriversAsString().c_str()));
103	schoenebeck	123	dmsg(1,("Registered audio output drivers: %s\n", AudioOutputDeviceFactory::AvailableDriversAsString().c_str()));
104	schoenebeck	1212	dmsg(1,("Registered instrument editors: %s\n", InstrumentEditorFactory::AvailableEditorsAsString().c_str()));
105	schoenebeck	123
106	schoenebeck	53	// start LSCP network server
107	senkov	667	struct in_addr addr;
108			addr.s_addr = lscp_addr;
109			dmsg(1,("Starting LSCP network server (%s:%d)...", inet_ntoa(addr), ntohs(lscp_port)));
110			pLSCPServer = new LSCPServer(pSampler, lscp_addr, lscp_port);
111	schoenebeck	53	pLSCPServer->StartThread();
112	schoenebeck	211	pLSCPServer->WaitUntilInitialized();
113	schoenebeck	12	dmsg(1,("OK\n"));
114	schoenebeck	9
115	senkov	325	if (profile)
116			{
117	persson	425	dmsg(1,("Calibrating profiler..."));
118	iliev	1161	LinuxSampler::gig::Profiler::Calibrate();
119			LinuxSampler::gig::Profiler::Reset();
120			LinuxSampler::gig::Profiler::enable();
121	persson	425	dmsg(1,("OK\n"));
122	senkov	325	}
123
124	schoenebeck	563	printf("LinuxSampler initialization completed. :-)\n\n");
125	schoenebeck	9
126	senkov	360	std::list<LSCPEvent::event_t> rtEvents;
127			rtEvents.push_back(LSCPEvent::event_voice_count);
128			rtEvents.push_back(LSCPEvent::event_stream_count);
129			rtEvents.push_back(LSCPEvent::event_buffer_fill);
130	iliev	778	rtEvents.push_back(LSCPEvent::event_total_voice_count);
131	senkov	360
132	schoenebeck	420	while (true) {
133			if (bPrintStatistics) {
134	persson	840	const std::set<Engine*>& engines = EngineFactory::EngineInstances();
135	schoenebeck	420	std::set<Engine*>::iterator itEngine = engines.begin();
136			for (int i = 0; itEngine != engines.end(); itEngine++, i++) {
137			Engine* pEngine = *itEngine;
138			printf("Engine %d) Voices: %3.3d (Max: %3.3d) Streams: %3.3d (Max: %3.3d)\n", i,
139			pEngine->VoiceCount(), pEngine->VoiceCountMax(),
140			pEngine->DiskStreamCount(), pEngine->DiskStreamCountMax()
141			);
142			fflush(stdout);
143			}
144			}
145	persson	425
146	senkov	325	sleep(1);
147			if (profile)
148			{
149	persson	425	unsigned int samplingFreq = 48000; //FIXME: hardcoded for now
150	iliev	1161	unsigned int bv = LinuxSampler::gig::Profiler::GetBogoVoices(samplingFreq);
151	persson	425	if (bv != 0)
152			{
153			printf(" BogoVoices: %i \r", bv);
154			fflush(stdout);
155			}
156	senkov	325	}
157	persson	425
158	senkov	360	if (LSCPServer::EventSubscribers(rtEvents))
159			{
160	persson	425	LSCPServer::LockRTNotify();
161			std::map<uint,SamplerChannel*> channels = pSampler->GetSamplerChannels();
162			std::map<uint,SamplerChannel*>::iterator iter = channels.begin();
163			for (; iter != channels.end(); iter++) {
164			SamplerChannel* pSamplerChannel = iter->second;
165			EngineChannel* pEngineChannel = pSamplerChannel->GetEngineChannel();
166			if (!pEngineChannel) continue;
167			Engine* pEngine = pEngineChannel->GetEngine();
168			if (!pEngine) continue;
169	iliev	1297	pSampler->fireVoiceCountChanged(iter->first, pEngineChannel->GetVoiceCount());
170			pSampler->fireStreamCountChanged(iter->first, pEngineChannel->GetDiskStreamCount());
171	iliev	1130	pSampler->fireBufferFillChanged(iter->first, pEngine->DiskStreamBufferFillPercentage());
172			pSampler->fireTotalVoiceCountChanged(pSampler->GetVoiceCount());
173	persson	425	}
174			LSCPServer::UnlockRTNotify();
175	senkov	360	}
176
177	senoner	10	}
178
179	schoenebeck	9	return EXIT_SUCCESS;
180			}
181
182	schoenebeck	271	void signal_handler(int iSignal) {
183			switch (iSignal) {
184			case SIGINT: {
185			if (pthread_equal(pthread_self(), main_thread)) {
186	persson	1248	if (pLSCPServer) pLSCPServer->StopThread();
187			// the delete order here is important: the Sampler
188			// destructor sends notifications to the lscpserver
189	schoenebeck	271	if (pSampler) delete pSampler;
190	persson	1248	if (pLSCPServer) delete pLSCPServer;
191	iliev	1161	#if HAVE_SQLITE3
192			InstrumentsDb::Destroy();
193			#endif
194	schoenebeck	271	printf("LinuxSampler stopped due to SIGINT.\n");
195			exit(EXIT_SUCCESS);
196			}
197			return;
198	schoenebeck	53	}
199	schoenebeck	271	case SIGSEGV:
200			std::cerr << ">>> FATAL ERROR: Segmentation fault (SIGSEGV) occured! <<<\n" << std::flush;
201			break;
202			case SIGBUS:
203			std::cerr << ">>> FATAL ERROR: Access to undefined portion of a memory object (SIGBUS) occured! <<<\n" << std::flush;
204			break;
205			case SIGILL:
206			std::cerr << ">>> FATAL ERROR: Illegal instruction (SIGILL) occured! <<<\n" << std::flush;
207			break;
208			case SIGFPE:
209			std::cerr << ">>> FATAL ERROR: Erroneous arithmetic operation (SIGFPE) occured! <<<\n" << std::flush;
210			break;
211			case SIGUSR1:
212			std::cerr << ">>> User defined signal 1 (SIGUSR1) received <<<\n" << std::flush;
213			break;
214			case SIGUSR2:
215			std::cerr << ">>> User defined signal 2 (SIGUSR2) received <<<\n" << std::flush;
216			break;
217			default: { // this should never happen, as we register for the signals we want
218			std::cerr << ">>> FATAL ERROR: Unknown signal received! <<<\n" << std::flush;
219			break;
220			}
221	schoenebeck	9	}
222	schoenebeck	271	signal(iSignal, SIG_DFL); // Reinstall default handler to prevent race conditions
223			std::cerr << "Showing stack trace...\n" << std::flush;
224			StackTrace();
225			sleep(2);
226			std::cerr << "Killing LinuxSampler...\n" << std::flush;
227			kill_app(); // Use abort() if we want to generate a core dump.
228	schoenebeck	9	}
229
230	schoenebeck	271	void kill_app() {
231	wylder	816	kill(main_pid, SIGKILL);
232	schoenebeck	271	}
233
234	senkov	325	void parse_options(int argc, char **argv) {
235	schoenebeck	9	int res;
236			int option_index = 0;
237			static struct option long_options[] =
238			{
239			{"help",0,0,0},
240	senkov	325	{"version",0,0,0},
241			{"profile",0,0,0},
242			{"no-tune",0,0,0},
243	schoenebeck	420	{"statistics",0,0,0},
244	iliev	1208	{"instruments-db-location",1,0,0},
245	iliev	1187	{"create-instruments-db",1,0,0},
246	senkov	667	{"lscp-addr",1,0,0},
247			{"lscp-port",1,0,0},
248	schoenebeck	9	{0,0,0,0}
249			};
250
251			while (true) {
252	schoenebeck	361	/*
253			Stephane Letz : letz@grame.fr
254			getopt_long_only does not exist on OSX : replaced by getopt_long for now.
255			*/
256			res = getopt_long(argc, argv, "", long_options, &option_index);
257	schoenebeck	9	if(res == -1) break;
258			if (res == 0) {
259			switch(option_index) {
260	senkov	325	case 0: // --help
261			printf("usage: linuxsampler [OPTIONS]\n\n");
262	iliev	1208	printf("--help prints this message\n");
263			printf("--version prints version information\n");
264			printf("--profile profile synthesis algorithms\n");
265			printf("--no-tune disable assembly optimization\n");
266			printf("--statistics periodically prints statistics\n");
267			printf("--lscp-addr set LSCP address (default: any)\n");
268			printf("--lscp-port set LSCP port (default: 8888)\n");
269			printf("--create-instruments-db creates an instruments DB\n");
270			printf("--instruments-db-location specifies the instruments DB file\n");
271	senkov	325	exit(EXIT_SUCCESS);
272	schoenebeck	9	break;
273	senkov	325	case 1: // --version
274	schoenebeck	328	printf("LinuxSampler %s\n", VERSION);
275			exit(EXIT_SUCCESS);
276	schoenebeck	9	break;
277	senkov	325	case 2: // --profile
278	persson	425	profile = true;
279	schoenebeck	20	break;
280	senkov	325	case 3: // --no-tune
281	persson	425	tune = false;
282	schoenebeck	9	break;
283	schoenebeck	420	case 4: // --statistics
284			bPrintStatistics = true;
285			break;
286	iliev	1208	case 5: // --instruments-db-location
287	iliev	1187	#if HAVE_SQLITE3
288			try {
289			if (optarg) {
290	iliev	1208	struct stat statBuf;
291			int res = stat(optarg, &statBuf);
292
293			if (res) {
294			std::stringstream ss;
295	schoenebeck	1364	ss << "Failed to stat `" << optarg << "`: " << strerror(errno);
296	iliev	1208	throw Exception(ss.str());
297			}
298
299			if (!S_ISREG(statBuf.st_mode)) {
300			std::stringstream ss;
301			ss << "`" << optarg << "` is not a regular file";
302			throw Exception(ss.str());
303			}
304
305			InstrumentsDb::GetInstrumentsDb()->SetDbFile(String(optarg));
306			}
307			} catch(Exception e) {
308	schoenebeck	1364	std::cerr << "Could not open instruments DB file: "
309			<< e.Message() << std::endl;
310			exit(EXIT_FAILURE);
311	iliev	1208	}
312	schoenebeck	1364	break;
313	iliev	1208	#else
314			std::cerr << "LinuxSampler was not build with ";
315	schoenebeck	1364	std::cerr << "instruments database support!\n";
316			exit(EXIT_FAILURE);
317			break;
318			#endif
319	iliev	1208	case 6: // --create-instruments-db
320			#if HAVE_SQLITE3
321			try {
322			if (optarg) {
323	iliev	1187	std::cout << "Creating instruments database..." << std::endl;
324			InstrumentsDb::CreateInstrumentsDb(String(optarg));
325			InstrumentsDb::Destroy();
326			std::cout << "Done" << std::endl;
327			}
328			} catch(Exception e) {
329			std::cerr << e.Message() << std::endl;
330			exit(EXIT_FAILURE);
331			return;
332			}
333
334			exit(EXIT_SUCCESS);
335			return;
336			#else
337			std::cerr << "Failed to create the database. LinuxSampler was ";
338	schoenebeck	1364	std::cerr << "not build with instruments database support!\n";
339	iliev	1187	exit(EXIT_FAILURE);
340			return;
341	schoenebeck	1364	#endif
342	iliev	1208	case 7: // --lscp-addr
343	iliev	1187	struct in_addr addr;
344			if (inet_aton(optarg, &addr) == 0)
345			printf("WARNING: Failed to parse lscp-addr argument, ignoring!\n");
346			else
347			lscp_addr = addr.s_addr;
348	senkov	667	break;
349	iliev	1208	case 8: // --lscp-port
350	iliev	1187	long unsigned int port = 0;
351			if ((sscanf(optarg, "%u", &port) != 1) \|\| (port == 0) \|\| (port > 65535))
352			printf("WARNING: Failed to parse lscp-port argument, ignoring!\n");
353			else
354			lscp_port = htons(port);
355	senkov	667	break;
356	schoenebeck	9	}
357			}
358			}
359	senkov	325	}